8078217 has 16 divisors (see below), whose sum is σ = 12359040. Its totient is φ = 4597632.

The previous prime is 8078209. The next prime is 8078237. The reversal of 8078217 is 7128708.

8078217 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8078217 - 2³ = 8078209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8078237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5959 + ... + 7187.

It is an arithmetic number, because the mean of its divisors is an integer number (772440).

Almost surely, 2^8078217 is an apocalyptic number.

It is an amenable number.

8078217 is a deficient number, since it is larger than the sum of its proper divisors (4280823).

8078217 is a wasteful number, since it uses less digits than its factorization.

8078217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1552.

The product of its (nonzero) digits is 6272, while the sum is 33.

The square root of 8078217 is about 2842.2204348009. The cubic root of 8078217 is about 200.6496955266.

The spelling of 8078217 in words is "eight million, seventy-eight thousand, two hundred seventeen".